General Voltage Checking - Nokia 2608 Service Manual

RM-376
RF Troubleshooting

General voltage checking

R F TX voltage checking
S teps
1. Set up the main board in the module jig. The phone should be in local mode.
2. Check the following:
# Signal name
1 PA_ON
2 PA_R0
3 VREG_TCXO
4 VPH_PWR
5 VREG_RFTX
*
Issue1
Test point
C1801.2
C1 802 .2
C1809 .2
C1807.1
C814.1
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Voltage (all bands)
On :2.35~2.85V , Off :0V
L ow mode :2.35~2.85V , High mode :0V
O n :2.85V , Off :0V
3.4~4.2V
2.65V
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